Online cleaning device for tuyere small sleeve of blast furnace

Abstract

The utility model belongs to the technical field of blast-furnace tuyere small sleeve cleaning, and particularly relates to a blast-furnace tuyere small sleeve online cleaning device which comprises a tuyere small sleeve which is connected with a water inlet pipe and a water outlet pipe, the water outlet pipe is connected with the first end of a flushing pipeline, a bypass valve is installed on the flushing pipeline, and a water inlet valve is installed on the water inlet pipe. The blast-furnace tuyere small sleeve is cleaned by opening the water inlet valve and the bypass valve; support frames are arranged between the flushing pipeline and the water inlet pipe and between the flushing pipeline and the water outlet pipe; through online transformation, the working efficiency is improved, online treatment is completed within one minute, and the problems that a water channel in the small sleeve is blocked by sundries, so that the cooling effect of the small sleeve is poor, and the small sleeve is burnt out are solved; the connecting position is adjusted through the supporting frame, and the stability of the device is improved; three times of damping-down sleeve replacement are reduced, and cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning a small sleeve of a blast furnace tuyere, and in particular relates to an online cleaning device for a small sleeve of a blast furnace tuyere. Background Art

[0002] Solid impurities are generated in the cooling water pool or pipe of the blast furnace tuyere small sleeve due to water quality, temperature, etc. During normal production, they enter the circulation system, resulting in reduced flow, reduced cooling intensity of the small sleeve, burning through the small sleeve and direct blowing pipe, causing production interruption or accidents. This not only causes environmental pollution and energy waste, but also poses a major safety hazard.

[0003] Therefore, a blast furnace tuyere small sleeve online cleaning device is needed. Utility Model Content

[0004] The utility model aims to provide an on-line cleaning device for a blast furnace tuyere small sleeve.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an online cleaning device for a blast furnace tuyere sleeve, comprising a tuyere sleeve, wherein the tuyere sleeve is connected to a water inlet pipe and a water outlet pipe, the water outlet pipe is connected to a first end of a flushing pipe, a bypass valve is installed on the flushing pipe, and a water inlet valve is installed on the water inlet pipe, and the blast furnace tuyere sleeve is cleaned by opening the water inlet valve and the bypass valve; support frames are provided between the flushing pipe and the water inlet pipe and between the flushing pipe and the water outlet pipe.

[0006] Specifically, the support frame is provided with a first support rod and a second support rod which are symmetrically arranged, a connecting rod is provided between the first support rod and the first support rod, and a connecting rod is provided between the second support rod and the second support rod, and the connecting rod is a telescopic sleeve rod for adjusting the distance between the first support rods and the second support rods.

[0007] Specifically, a telescopic cylinder is provided between the first support rod and the second support rod to adjust the height of the support frame.

[0008] Specifically, a pipe slot is provided at the top of the second support rod for clamping the water inlet pipe, the water outlet pipe or the flushing pipe, a first slide rail is provided at the bottom of the pipe slot, a first slide track is provided at the top of the second support rod, and a first baffle is provided at the top of the first slide track to prevent the first slide rail from detaching from the first slide track.

[0009] Specifically, the second end of the flushing pipeline is connected to the recovery tank.

[0010] Specifically, the connecting rod is provided with a small rod and a large rod, the small rod is nested in the large rod, the small rod and the large rod are connected by bolts, and a plurality of evenly distributed small holes are provided on the small rod and the large rod.

[0011] Specifically, the water inlet pipe is connected to a water pump, and the water pump is connected to a recovery tank through a pipeline.

[0012] The utility model has the following beneficial effects:

[0013] 1) Through online transformation, the work efficiency is improved, and the online processing is completed within 1 minute, solving the problem of the internal water channel of the small set being blocked by debris, resulting in poor cooling effect of the small set and burning accidents of the small set;

[0014] 2) The connection position is adjusted by the support frame, which increases the stability of the device;

[0015] 3) The utility model reduces the need to change the cover three times, thus saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 This is a structural schematic diagram of the support frame of the utility model (I).

[0018] Figure 3 This is a structural schematic diagram of the support frame of the utility model (II).

[0019] In the figure: 1-air inlet sleeve; 2-water inlet pipe; 3-water outlet pipe; 4-flushing pipe; 5-bypass valve; 6-water inlet valve; 7-first support rod; 8-second support rod; 9-connecting rod; 10-telescopic cylinder; 11-pipeline slot; 12-first baffle; 13-first slide; 14-recovery tank; 15-water pump. DETAILED DESCRIPTION

[0020] The utility model will now be further described in detail with reference to the accompanying drawings.

[0021] like Figure 1-3 As shown, an online cleaning device for a blast furnace tuyere sleeve comprises a tuyere sleeve 1, wherein the tuyere sleeve 1 is connected to a water inlet pipe 2 and a water outlet pipe 3, wherein the water outlet pipe 3 is connected to a first end of a flushing pipe 4, wherein a bypass valve 5 is installed on the flushing pipe 4, and an inlet valve 6 is installed on the inlet pipe 2. The inlet valve 6 and the bypass valve 5 are opened to clean the blast furnace tuyere sleeve 1; support frames are provided between the flushing pipe 4 and the water inlet pipe 2 and between the flushing pipe 4 and the water outlet pipe 3.

[0022] The support frame is provided with a symmetrically arranged first support rod 7 and a second support rod 8, a connecting rod 9 is provided between the first support rod 7 and the first support rod 7, and a connecting rod 9 is provided between the second support rod 8 and the second support rod 8. The connecting rod 9 is a telescopic sleeve rod for adjusting the distance between the first support rods 7 and the second support rods 8.

[0023] A telescopic cylinder 10 is provided between the first support rod 7 and the second support rod 8 for adjusting the height of the support frame.

[0024] A pipe clamping groove 11 is provided at the top of the second support rod 8 for clamping the water inlet pipe 2, the water outlet pipe 3 or the flushing pipe 4. A first slide rail is provided at the bottom of the pipe clamping groove 11. A first slideway 13 is provided at the top of the second support rod 8. A first baffle 12 is provided at the top of the first slideway 13 to prevent the first slide rail from detaching from the first slideway 13.

[0025] The second end of the flushing pipe 4 is connected to the recovery tank 14, the water inlet pipe 2 is connected to the water pump 14, the water pump 14 is connected to the recovery tank 14 through a pipe, a filter screen is provided in the recovery tank 14, and the pipe connected to the water pump 15 is located on the top of the filter screen so that the recovered precipitated water can be reused.

[0026] The connecting rod 9 is provided with a small rod and a large rod, wherein the small rod is nested in the large rod, the small rod and the large rod are connected by bolts, and a plurality of evenly distributed small holes are provided on the small rod and the large rod.

[0027] The method of using the utility model is as follows: when it is necessary to clean the air vent sleeve 1, firstly, the support frame is installed, and the distance between the first support rod 7 and the second support rod 8 is adjusted by the telescopic cylinder 10 so that they are at the same level as the water inlet pipe 2 and the flushing pipe 4, and then the distance between the first support rod 7 and the second support rod 8 is adjusted so that one second support rod 8 is located at the water inlet pipe 2, and the other second support rod 8 and the flushing pipe 4 are located respectively, and then the water inlet pipe 2 and the flushing pipe 4 are fixed by the pipe clamping groove 11; after fixing, the water inlet valve 6 and the bypass valve 5 are opened, and the water outlet valve on the water outlet pipe 3 is closed at the same time, and the water pump 17 is turned on to clean the air vent sleeve 1.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online cleaning device for a blast furnace tuyere small sleeve, characterized in that: It comprises a tuyere sleeve, which is connected to an inlet pipe and an outlet pipe, the outlet pipe is connected to the first end of a flushing pipe, a bypass valve is installed on the flushing pipe, and an inlet valve is installed on the inlet pipe. The inlet valve and the bypass valve are opened to clean the blast furnace tuyere sleeve; support frames are provided between the flushing pipe and the inlet pipe, and between the flushing pipe and the outlet pipe.

2. The online cleaning device for a blast furnace tuyere small sleeve according to claim 1 is characterized in that: The support frame is provided with a first support rod and a second support rod which are symmetrically arranged, a connecting rod is provided between the first support rod and the first support rod, and a connecting rod is provided between the second support rod and the second support rod, and the connecting rod is a telescopic sleeve rod for adjusting the distance between the first support rods and the second support rods.

3. The online cleaning device for a blast furnace tuyere small sleeve according to claim 2 is characterized in that: A telescopic cylinder is provided between the first support rod and the second support rod to adjust the height of the support frame.

4. The online cleaning device for a blast furnace tuyere small sleeve according to claim 3 is characterized in that: A pipe clamping groove is provided at the top of the second support rod for clamping the water inlet pipe, the water outlet pipe or the flushing pipe, a first slide rail is provided at the bottom of the pipe clamping groove, a first slideway is provided at the top of the second support rod, and a first baffle is provided at the top of the first slideway to prevent the first slide rail from detaching from the first slideway.

5. The online cleaning device for a blast furnace tuyere small sleeve according to claim 1 is characterized in that: The second end of the flushing pipeline is connected to the recovery tank.

6. The online cleaning device for a blast furnace tuyere small sleeve according to claim 2 is characterized in that: The connecting rod is provided with a small rod and a large rod, the small rod is nested in the large rod, the small rod and the large rod are connected by bolts, and a plurality of evenly distributed small holes are provided on the small rod and the large rod.

7. The online cleaning device for a blast furnace tuyere small sleeve according to claim 1 is characterized in that: The water inlet pipe is connected to a water pump, and the water pump is connected to a recovery tank through a pipeline.

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